EP0441560A3 - Wound evacuator - Google Patents

Wound evacuator Download PDF

Info

Publication number
EP0441560A3
EP0441560A3 EP19910300866 EP91300866A EP0441560A3 EP 0441560 A3 EP0441560 A3 EP 0441560A3 EP 19910300866 EP19910300866 EP 19910300866 EP 91300866 A EP91300866 A EP 91300866A EP 0441560 A3 EP0441560 A3 EP 0441560A3
Authority
EP
European Patent Office
Prior art keywords
cavity
valve
collection bag
body fluids
evacuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910300866
Other versions
EP0441560A2 (en
EP0441560B1 (en
Inventor
Duane K. Winkler
Daniel H. Olson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bristol Myers Squibb Co
Original Assignee
Bristol Myers Squibb Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bristol Myers Squibb Co filed Critical Bristol Myers Squibb Co
Publication of EP0441560A2 publication Critical patent/EP0441560A2/en
Publication of EP0441560A3 publication Critical patent/EP0441560A3/en
Application granted granted Critical
Publication of EP0441560B1 publication Critical patent/EP0441560B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/64—Containers with integrated suction means
    • A61M1/68—Containers incorporating a flexible member creating suction

Abstract

A wound evacuator for extracting body fluids from a patient has end walls (20,22) connected by a side wall (24) to form a cavity (26) for receiving the body fluid. Springs (28) within the cavity bias the end walls (20,22) apart, to expand the cavity (26). One of the end walls (20) has an inlet opening (30) including a one-way check valve (32) through which body fluids can be drawn by the partial vacuum created within the expanding cavity (26). An outlet opening (38) in the end wall (20) has a discharge valve assembly (40) with a valve member (46) which is held against a valve seat (44) by the partial vacuum within the cavity (26), and is moved away from the valve seat (44) when the end walls (20,22) are manually pressed together to cause body fluids in the cavity (26) to be discharged through the valve assembly (40) to a collection bag (18). The valve assembly (40) has an end fitting (52) by means of which the collection bag (18) can be connected to the evacuator. The collection bag (18) has an inlet port (70) with an anti-reflex valve (78). The valve member (46) is freely movable within a passageway (50) in the discharge valve assembly (40), so that after fluid has been discharged from the evacuator to the collection bag (18), when the partial vacuum created within the expanding cavity (26) extends to the anti-reflex valve (78) in the collection bag (18), the valve member (46) is positioned in the passageway (50) away from its seat (44). On separation of the collection bag (18) from the evacuator, the partial vacuum within the cavity (26) draws body fluids from the passageway (50) and the bore (38) in the end fitting (52), before the valve member (46) moves into sealing engagement with the valve seat (44). Leakage of body fluids upon separation of the collection bag (18) is thus substantially reduced. <IMAGE>
EP91300866A 1990-02-08 1991-02-04 Wound evacuator Expired - Lifetime EP0441560B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US476844 1990-02-08
US07/476,844 US5112323A (en) 1990-02-08 1990-02-08 Wound evacuator

Publications (3)

Publication Number Publication Date
EP0441560A2 EP0441560A2 (en) 1991-08-14
EP0441560A3 true EP0441560A3 (en) 1992-01-15
EP0441560B1 EP0441560B1 (en) 1994-10-26

Family

ID=23893482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91300866A Expired - Lifetime EP0441560B1 (en) 1990-02-08 1991-02-04 Wound evacuator

Country Status (8)

Country Link
US (1) US5112323A (en)
EP (1) EP0441560B1 (en)
JP (1) JP3105566B2 (en)
AT (1) ATE113212T1 (en)
AU (1) AU637190B2 (en)
CA (1) CA2034783C (en)
DE (1) DE69104739T2 (en)
ES (1) ES2062679T3 (en)

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Citations (5)

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US3572340A (en) * 1968-01-11 1971-03-23 Kendall & Co Suction drainage device
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US3900029A (en) * 1973-10-26 1975-08-19 Irving Melnick Closed surgical evacuator
US4664652A (en) * 1985-02-07 1987-05-12 Snyder Laboratories, Inc. Wound evacuator

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
US3572340A (en) * 1968-01-11 1971-03-23 Kendall & Co Suction drainage device
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Also Published As

Publication number Publication date
CA2034783C (en) 2001-03-13
ES2062679T3 (en) 1994-12-16
JPH05115556A (en) 1993-05-14
CA2034783A1 (en) 1991-08-09
JP3105566B2 (en) 2000-11-06
EP0441560A2 (en) 1991-08-14
AU637190B2 (en) 1993-05-20
AU7088291A (en) 1991-08-15
DE69104739T2 (en) 1995-04-13
EP0441560B1 (en) 1994-10-26
ATE113212T1 (en) 1994-11-15
DE69104739D1 (en) 1994-12-01
US5112323A (en) 1992-05-12

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